Reviewing definitions of urinary continence in the contemporary spina bifida literature: A call for clarity
Background: Urinary continence is a common goal for children with spina bifida and their physicians. However, definitions of urinary continence vary widely across published studies. We systematically assessed the utilization of common definitions of urinary continence in the spina bifida literature. Methods: We searched library databases for reports (2000-2012) describing urinary continence outcomes in children with spina bifida. We assessed various patient-level factors such as age, lesion level, surgical history, and use of additional therapies, as well as study-level factors such as study design, country of origin, continence definition(s), and method of data collection. Results: Of 473 identified articles, 105 met inclusion criteria, comprising a total of 3209 patients. Of these, 1791 patients (56%) were deemed continent by the study authors. Only 60 studies (57%) clearly defined what they considered to be "continent". The most common definition, used in 24% of all reports, was "always dry". There was no association between journal of publication (p = 0.13), publication year (p = 0.86), study size (p = 0.26), or study country (p = 0.43) and likelihood of a continence definition being included in the manuscript. Conclusions: The most frequent definition of urinary continence in the spina bifida literature is "always dry". However, definitions were highly variable, and many authors did not define continence at all. Clinicians and researchers alike would be better able to apply research findings toward improving patient care if continence definitions were more explicitly reported and less variable. © 2012 Journal of Pediatric Urology Company. Published by Elsevier Ltd. All rights reserved.
Lloyd, JC; Nseyo, U; Madden-Fuentes, RJ; Ross, SS; Wiener, JS; Routh, JC
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